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121113130133213 is a prime number
BaseRepresentation
bin11011100010011011011001…
…000110010110011011011101
3120212211022011021111200100022
4123202123121012112123131
5111333304142303230323
61105330334234441525
734340064161203361
oct3342333106263335
9525738137450308
10121113130133213
1135654876602669
12117006522932a5
135276bc453ac2a
1421c9c9a2992a1
15e0066cbb14c8
hex6e26d91966dd

121113130133213 has 2 divisors, whose sum is σ = 121113130133214. Its totient is φ = 121113130133212.

The previous prime is 121113130133201. The next prime is 121113130133257. The reversal of 121113130133213 is 312331031311121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118518124879609 + 2595005253604 = 10886603^2 + 1610902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121113130133213 is a prime.

It is a super-2 number, since 2×1211131301332132 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121113130139213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556565066606 + 60556565066607.

It is an arithmetic number, because the mean of its divisors is an integer number (60556565066607).

Almost surely, 2121113130133213 is an apocalyptic number.

It is an amenable number.

121113130133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113130133213 is an equidigital number, since it uses as much as digits as its factorization.

121113130133213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 121113130133213 its reverse (312331031311121), we get a palindrome (433444161444334).

The spelling of 121113130133213 in words is "one hundred twenty-one trillion, one hundred thirteen billion, one hundred thirty million, one hundred thirty-three thousand, two hundred thirteen".